Characterization of Thermo-mechanical and Morphological Properties of Jute Fabric Reinforced Epoxy/AESO Bio-composites

Semih Ozkur, Mirjam Leskovšek, Barbara Golja, Andrej Demsar, Hande Sezgin*, Ipek Yalcin-Enis

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

In this study, the effect of curing applied to jute woven fabric (four-layers) reinforced composite materials in which different proportions of acrylated epoxidized soybean oil (AESO) and epoxy resin are used as matrix material, on the thermal, thermo-mechanical and morphological properties of the composite materials are investigated. Composite material production is carried out by vacuum infusion method, whereas curing at 90 °C is done during production and post-curing at 120 °C is performed using a conditioning oven after production. Dynamic mechanical analysis (DMA) results show that the storage and loss modulus values of composite materials increase with increasing AESO ratio, while tan delta curves display that the bonds between the fiber and matrix of hybrid samples are stronger than composite materials using a single type of resin. This result is also supported by scanning electron microscope (SEM) images. The effect of curing (90 °C) and post-curing (120 °C) temperatures on the thermo-mechanical properties of the composite material is more clearly seen in epoxy composite samples whose glass transition temperature is higher than the room temperature. Besides, the decrease in glass transition temperature of the material with the increase in AESO content is obtained from both DMA and differential scanning calorimetry (DSC) plots.

Original languageEnglish
Pages (from-to)3414-3424
Number of pages11
JournalFibers and Polymers
Volume22
Issue number12
DOIs
Publication statusPublished - Dec 2021

Bibliographical note

Publisher Copyright:
© 2021, The Korean Fiber Society for Fibers and Polymers and Springer.

Keywords

  • AESO
  • Bio-composite
  • Epoxy
  • Thermal properties
  • Thermo-mechanical properties

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